China 'GB/T 19889.2-2022
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19889.2-2022
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties 声学 建筑和建筑构件隔声测量 第2部分：测量不确定度评定和应用
Issued Date:2022/3/9
Implemented Date:2022/10/1
Issued by:
The Standardization Administration of the People's Republic of China
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